Wood's Sedge (Carex woodii) - foliage plant, illustrated plant cardIllustration

Wood's Sedge

Carex woodii

Also called pretty sedge and wood's stiff sedge

Wood's Sedge blooms from April through May.

Bloom calendar
Bloom time
Apr–May
checked
Hardiness
Zones 4–8
checked
Sun
Part shade
checked
Water
Moderate water
checked
Mature size
0.5 ft × 2.5 ft
checked
Type
Grass
house classification

Months here are Northern Hemisphere months; in the Southern Hemisphere, shift them by six months.

Growing Wood's Sedge

Plant it in part shade. It prefers moderate water. It is hardy in USDA zones 4–8. Expect it to reach about 0.5 ft tall and 2.5 ft wide at maturity, in roughly 3 years (a house reading).

Pets

  • Not yet checked for pets.

Lists differ and none is complete. If a pet eats a plant and seems unwell, call a veterinarian or a pet poison helpline.

No toxicity note is on file for Wood's Sedge. That is not a clearance: check its safety for people and pets before planting.

Verification
What was checked

Nine facts were checked against named botanical sources, each recorded beside the sources that carried it: mature height and spread, hardiness zones, sun, water, bloom months and color, the trait tags, and years to mature size, which rests on a recorded house rule where no publisher states one and is marked so. Soil, diseases, pests, toxicity and the plant's own names have not yet been read for this plant, and its trait tags are the ones a feature uses rather than every word a page prints. Each fact above carries its own mark. The planting, spacing and size sections are derived from these checked facts by a fixed rule, not checked separately, and the plant type is the library's own classification.

See the 8 sources it was checked against

When to plant Wood's Sedge

Plant Wood's Sedge in early spring as soon as the soil is workable, or in early fall at least six weeks before your first frost, so roots establish in cool weather. In zone 6, the middle of its hardy zones 4 to 8, spring means March to May and fall means August or September. Once settled, it blooms from April to May.

Month-by-month timing for your zone is on the planting calendar; if you garden near zone 6, the middle of this plant's hardy range, start with zone 6 in March. Derived from the plant's category, zones and bloom months plus typical zone frost dates, not checked separately.

How big does Wood's Sedge get?

Illustration of Wood's Sedge drawn to scale beside an adult0.5 fttall5 ft 7 inan adult2.5 ftwide
About 0.5 ft tall and 2.5 ft wide at maturity: shin-high beside an adult.

See Wood's Sedge in a garden plan: the planner shows it in 3D beside everything else you add, growing toward this size over the years.

How far apart to plant Wood's Sedge

Derived from the mature spread above by a fixed rule, not checked separately: spacing is the spread, center to center.

Space Wood's Sedge about 2.5 ft apart, center to center, so each plant has room to reach its full width.

Plant them
2.5 ft apart
Per 10 sq ft
about 2
4 by 8 ft bed
about 3

Add Wood's Sedge to a garden plan and the planner draws it at its full width, so you see the spacing before you buy.

Where these facts come from

Wood's Sedge's height, spread, hardiness zones, sun, water, bloom months and color and trait tags were checked against 8 published sources on October 25, 2026. Each one is linked below with every fact it carried, which can include a fact this page still marks as not yet checked, because a source carrying a value is not the same as the value being held to the standard. Facts not in that list, and the planting, spacing and size sections, are not covered by these sources.

  • New Moon Nurseryheight, spread, hardiness zones, sun, water, bloom months and color and trait tags
  • usperennials.comUS Perennialsheight, spread, hardiness zones, sun, water, bloom months and color and trait tags
  • hoffmannursery.comHoffman Nurseryheight, hardiness zones, sun, water, bloom months and color and trait tags
  • Mt. Cuba CenterCarex trialheight, spread, sun, bloom months and color and trait tags
  • plantfinder.nativeplanttrust.orgNative Plant Trust Plant Finderheight, spread, hardiness zones, water and bloom months and color
  • Chicago Botanic GardenPlant Finderhardiness zones, sun, water and bloom months and color
  • Prairie Moon Nurseryheight, hardiness zones, water and bloom months and color
  • burlingtonwildways.orgMt. Cuba Center, Carex for the Mid-Atlantic Region trial report (Burli...height and spread

How the checking works, and what each standard covers, is on the verified plants page.

Where it grows wild

Native to 17 states and 1 province

United States: District of Columbia, Georgia, Illinois, Indiana, Iowa, Kentucky, Maryland, Michigan, Minnesota, New York, North Carolina, Ohio, Pennsylvania, South Carolina, Virginia, West Virginia, Wisconsin and 5 more

Canada: Ontario

Recorded growing wild in 160 counties.

Range data from the World Checklist of Vascular Plants, Royal Botanic Gardens, Kew (CC BY 4.0, adapted) and USDA PLANTS. How the native range is credited.

The Sedge group

One of 34 in the Sedge group. Same genus, similar care.

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Design a garden with this

Drop this plant onto a 3D plan, see how it fills in, and watch your whole garden bloom across the year.

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